<template>
  <div class="recommend" ref="recommend">
    <scroll ref="scroll" class="recommend-content" :data="discList">
      <div>
        <div class="slider-wrapper">
          <div class="slider-content">
            <slider v-if="recommends.length">
              <div v-for="(item, index) in recommends" :key="index">
                <a :href="item.linkUrl">
                  <img :src="item.picUrl" />
                </a>
              </div>
            </slider>
          </div>
        </div>

        <div class="recommend-list">
          <h1 class="list-title">热门歌单推荐</h1>
          <ul>
            <li
              class="item"
              v-for="(item, index) in discList"
              :key="index"
              @click="selectItem(item)"
            >
              <div class="icon">
                <img
                  width="60"
                  height="60"
                  v-lazy="item.imgurl"
                  @dragstart.prevent
                />
              </div>
              <div class="text">
                <h2 class="name" v-html="item.creator.name"></h2>
                <p class="desc" v-html="item.dissname"></p>
              </div>
            </li>
          </ul>
        </div>

        <div class="loading-wrap" v-if="!discList.length">
          <loading></loading>
        </div>
      </div>
    </scroll>
    <router-view></router-view>
  </div>
</template>

<script>
import { getRecommend, getDiscList } from 'api/recommend'
import { ERR_OK } from 'api/config'

import Slider from 'common/slider/sliderTest'
import Scroll from 'common/scroll/scroll'
import Loading from 'common/loading/loading'

import { playlistMixin } from 'assets/js/mixin'

import { mapMutations } from 'vuex'


export default {
  mixins: [playlistMixin],
  name: 'recommend',
  data() {
    return {
      recommends: [],
      discList: []
    }
  },

  created() {
    this._getRecommend()
    this._getDiscList()
  },
  methods: {
    ...mapMutations({
      setDisc: 'SET_DISC'
    }),
    _getRecommend() {
      getRecommend().then(res => {
        if (res.code === ERR_OK) {
          console.log(res);
          this.recommends = res.data.slider
        }
      })
    },
    _getDiscList() {
      getDiscList().then(res => {
        if (res.code === ERR_OK) {
          this.discList = res.data.list
        }
      })
    },
    loadImage() {
      if (!this.checkloaded) {
        this.checkloaded = true
        setTimeout(() => {
          this.$refs.scroll.refresh()
        }, 20)
      }
    },
    handlePlaylist(playlist) {
      let bottom = playlist.length > 0 ? '60px' : ''
      this.$refs.recommend.style.bottom = bottom
      this.$refs.scroll.refresh()
    },
    selectItem(item) {
      this.$router.push({
        path: `./recommend/${item.dissid}`
      })
      this.setDisc(item)
    },

  },
  components: {
    Slider,
    Scroll,
    Loading
  },
}
</script>

<style lang="stylus" scoped>
@import '~assets/stylus/variable';

.recommend {
  position: fixed;
  width: 100%;
  top: 88px;
  bottom: 0;

  .recommend-content {
    height: 100%;
    overflow: hidden;

    .slider-wrapper {
      position: relative;
      width: 100%;
      height: 0;
      padding-bottom: 40%;
      overflow: hidden;

      .slider-content {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
      }
    }

    .loading-wrap {
      position: absolute;
      width: 100%;
      top: 50%;
      transform: translateY(-50%);
    }
  }

  .recommend-list {
    .list-title {
      height: 65px;
      line-height: 65px;
      text-align: center;
      color: $color-theme;
      font-size: $font-size-medium;
    }

    .item {
      display: flex;
      align-items: center;
      padding: 0 20px 20px 20px;
      box-sizing: border-box;

      .icon {
        flex: 0 0 60px;
        width: 60px;
        padding-right: 20px;
      }

      .text {
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: center;
        line-height: 20px;
        font-size: $font-size-medium;
        overflow: hidden;

        .name {
          margin-bottom: 10px;
          color: $color-text;
        }

        .desc {
          color: $color-text-d;
        }
      }
    }
  }
}
</style>
